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Lesson Plan

10. Compare figures with different attributes (A)

teaches Common Core State Standards 111.6.6.C
teaches Common Core State Standards 5.G.2
teaches Common Core State Standards CCSS.Math.Content.5.G.B.3
teaches Common Core State Standards CCSS.Math.Content.5.G.B.4
teaches Common Core State Standards CCSS.Math.Practice.MP3
teaches Common Core State Standards MAFS.5.G.2.3
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Lesson objective: Compare figures with different attributes to solve problems.

This lesson provides an opportunity for students to apply their knowledge and understanding of classifying two-dimensional figures to a real-life situation. Students are asked to determine if a collection of different shaped cookies has the attributes belonging to a particular set.

Key Concept students will use: 

  • because figures may belong to categories and subcategories, we can classify figures in a hierarchy based on properties

Skills students will use:

  • understand shapes in different categories (rhombuses, rectangles, etc.) may share attributes; (Grade 3, Unit 13)
  • read and create diagrams to show relationships between categories and subcategories of shapes
  • evaluate hierarchical relationships based on shared attributes

Students engage in Mathematical Practice 3 (construct viable arguments and critique the reasoning of others) as they consider the claims of others in regards to the classification of two-dimensional figures, and make judgements on their reasoning based on their understanding of the classification of plane figures.

Key vocabulary: 

  • attribute
  • hierarchy
  • kite
  • parallelogram
  • quadrilateral
  • trapezoid
Related content

Appears in

Classifying two‐dimensional geometric figures

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